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Roofing Terminology

Knowing not unusual roofing terminology will allow you as a homeowner to make an informed selection approximately roofing substances which can be top matches for your private home’s style and the vicinity in that you stay. It will even assist you apprehend the contract along with your MONTCLAIR ROOFING professional and the task updates.
Some key roofing phrases are listed beneath:

Asphalt: A waterproofing agent applied to roofing materials throughout manufacturing.

Asphalt plastic roofing cement: An asphalt-primarily based sealant used to bond roofing substances. Also referred to as flashing cement, roof tar, bull or mastic.

Back surfacing: Granular cloth implemented to the again facet of shingles to maintain them from sticking throughout shipping and storage.

Base flashing: That part of the flashing attached to or resting at the deck to direct the waft of water onto the roof.

Built-up roof: Multiple layers of asphalt and ply sheets bonded together.

Butt area: The backside fringe of the shingle tabs.

Caulk: To fill a joint to save you leaks.

Closed valley: The valley flashing is blanketed by shingles.

Coating: A layer of viscous asphalt carried out to the outer roof floor to defend the roof membrane.

Collar: Pre-shaped flange placed over a vent pipe to seal the roof across the vent pipe establishing. Also known as a vent sleeve.

Concealed nail approach: Application of roll roofing in which all nails are protected by way of a cemented, overlapping course.

Counter flashing: That part of the flashing connected to a vertical surface above the aircraft of the roof to save you water from migrating at the back of the bottom flashing.

Course: Row of shingles that could run horizontally, diagonally or vertically.

Cricket: A peaked water diverter hooked up at the back of a chimney to prevent accumulation of snow and ice and to deflect water.

Deck: The pinnacle floor of which a roof device is carried out, floor established over the assisting framing members.

Double coverage: Asphalt roofing whose lapped portion is as a minimum two inches wider than the exposed element, ensuing in two layers of roofing material over the deck.

Downspout: A pipe for draining water from roof gutters to empty. Also known as a frontrunner.

Drip facet: L-shaped flashing used along the eaves and rakes to permit water run-off into the gutters and to drip clean of underlying creation.

Eave: The part of the roof that overhangs or extends outward and isn’t without delay over the outdoors walls or the buildings indoors.

Exposed nail approach: Application of roll roofing where nails are pushed into the overlapping route of roofing. Nails are exposed to the factors.

Fascia: A wooden trim board used to hide the reduce ends of the roof’s rafters and sheathing.

Felt: Fibrous fabric used as an underlayment or sheathing paper, describes roll roofing materials.

Flashing: Pieces of metal or roll roofing used to shape water seal round vent pipes, chimneys, adjacent partitions, dormers and valleys.

Gable: The quit of an outside wall that involves a triangular point at the ridge of a sloping roof.

Granules: Ceramic-lined and fired beaten rock that is carried out as the pinnacle floor of asphalt roofing products.

Gutter: The trough that channels water from the eaves to the downspouts. Usually attached to the fascia.

Head lap: An overlapping of shingles or roofing felt at their top facet.

Hip: The fold or vertical ridge fashioned by using the intersection of sloping roof planes. Runs from the ridge to the eaves.

Ice dam: Condition forming water again-up on the eave areas through the thawing and re-freezing of melted snow on the overhang. Can force water underneath shingles, inflicting leaks.

Interlocking shingles: Individual shingles that routinely fasten to each different to provide wind resistance.

Laminated shingles: Strip shingles made of separate portions laminated collectively to create more thickness. Also referred to as 3-dimensional and architectural shingles.

Lap: Surface in which one shingle or roll overlaps with another during the utility system.

Mansard roof: A design with a almost vertical roof plane connected to a roof plane of less slope at its top. Contains no gables.

Mineral stabilizers: Finely floor limestone, slate, traprock or different inert materials delivered to asphalt coatings for durability and elevated resistance to fire and weathering.

Nesting: A technique of reroofing, putting in a second layer of latest asphalt shingles, in which the top edge of the brand new shingle is butted towards the lowest fringe of the present shingle tab.

Pitch: The diploma of roof incline expressed because the ratio of the rise, in ft, to the span, in feet.

Low Slope – Roof pitches which might be much less than 30 stages.

Normal Slope – Roof pitches which can be among 30 and 45 stages.

Steep Slope – Roof pitches which are extra than forty five ranges.

Rafter: The helping framing that makes up the roof structure; straight away below the deck; the roof sheathing is nailed to the rafters.

Rake: The willing edge of a sloped roof over a wall from the eave to the ridge. They may be near or extended.

Ridge: The horizontal external perspective formed by the intersection of sloping aspects of a roof at the best point of the roof, hip or dormer.

Run: The horizontal distance among the eaves and a factor at once below the ridge; or one 1/2 the span.

Selvage: That part of roll roofing overlapped through the application of the roof protecting to obtain double coverage.

Sheathing: Exterior grade boards used as a roof deck cloth.

Shed roof: A unmarried roof plane and not using a hips, ridges, valleys or gables, not related to another roofs.

Slope: The diploma of roof incline expressed as the ratio of the upward thrust, in inches, to the run, in ft.

Smooth-surfaced roofing: Roll roofing that is covered with floor talc or mica as opposed to granules (coated).

Soffit: The finished underside of the eaves that extends from the fascia to the siding and hides the bottom of an overhang.

Soil stack: A vent pipe that penetrates the roof.

Span: The horizontal distance from eaves to eaves.

Specialty eaves flashing membrane: A self-adhering, waterproofing shingle underlayment designed to defend in opposition to water infiltration due to ice dams or wind pushed rain.

Starter strip: Asphalt roofing carried out on the eaves because the first direction of shingles installed.

Tab: The weather exposed surface of strip shingles between the cutouts.

Telegraphing: Shingles established over an choppy surface that display distortion.

Truss – A combination of beams, bars and ties, typically in triangular units to shape a framework for support in wide span roof production.

UL label: Label displayed on packaging to suggest the level of fire and/or wind resistance of asphalt roofing.

Underlayment: A layer of asphalt primarily based rolled substances established beneath fundamental roofing cloth before shingles are mounted to offer extra safety for the deck.

Valley: The internal attitude shaped by way of the intersection of two willing roof surfaces to provide water runoff.

Vapor barrier/retarder: Any fabric that stops the passage of water or water vapor thru it.

Vent: Any tool mounted at the roof as an outlet for air to ventilate the underside of the roof deck.

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